Home / 229,065,946.31-316,108,348.71-124,642,218.49

Finding the Fourth Proportional to 229,065,946.31, 316,108,348.71 and 124,642,218.49

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Solution

The fourth proportional to 229,065,946.31, 316,108,348.71 and 124,642,218.49 is: 172,004,815.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,065,946.31 : 316,108,348.71 = 124,642,218.49 : x
  2. Step 2: Convert to fraction form
    229,065,946.31/316,108,348.71 = 124,642,218.49/x
  3. Step 3: Cross multiply
    229,065,946.31x = 316,108,348.71 × 124,642,218.49
  4. Step 4: Simplify right side
    229,065,946.31x = 39,400,445,865,167,248
  5. Step 5: Solve for x
    x = 39,400,445,865,167,248/229,065,946.31
  6. Step 6: Final answer
    x = 172,004,815.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.